diff -Nru haskell-snap-1.0.0.2/debian/changelog haskell-snap-1.0.0.2/debian/changelog
--- haskell-snap-1.0.0.2/debian/changelog	2017-12-30 11:00:39.000000000 +0000
+++ haskell-snap-1.0.0.2/debian/changelog	2018-01-26 12:51:14.000000000 +0000
@@ -1,3 +1,9 @@
+haskell-snap (1.0.0.2-2build4) bionic; urgency=medium
+
+  * Rebuild against new GHC ABI.
+
+ -- Gianfranco Costamagna <locutusofborg@debian.org>  Fri, 26 Jan 2018 13:51:14 +0100
+
 haskell-snap (1.0.0.2-2build3) bionic; urgency=medium
 
   * Rebuild against new GHC ABI.